DE2911316A1 - Messfuehler, insbesondere amperometrischer elektrochemischer messfuehler - Google Patents
Messfuehler, insbesondere amperometrischer elektrochemischer messfuehlerInfo
- Publication number
- DE2911316A1 DE2911316A1 DE2911316A DE2911316A DE2911316A1 DE 2911316 A1 DE2911316 A1 DE 2911316A1 DE 2911316 A DE2911316 A DE 2911316A DE 2911316 A DE2911316 A DE 2911316A DE 2911316 A1 DE2911316 A1 DE 2911316A1
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- membrane
- sensor according
- electrolyte
- surrounding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000523 sample Substances 0.000 title description 21
- 239000012528 membrane Substances 0.000 claims description 60
- 239000003792 electrolyte Substances 0.000 claims description 48
- 239000012530 fluid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
- 239000001301 oxygen Substances 0.000 description 20
- 229910052760 oxygen Inorganic materials 0.000 description 20
- 230000004044 response Effects 0.000 description 19
- 239000007789 gas Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- -1 Polytetrafluoroethylene Polymers 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000003570 air Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 238000013508 migration Methods 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88945378A | 1978-03-22 | 1978-03-22 | |
| US867979A | 1979-02-02 | 1979-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2911316A1 true DE2911316A1 (de) | 1979-10-04 |
Family
ID=26678464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2911316A Pending DE2911316A1 (de) | 1978-03-22 | 1979-03-22 | Messfuehler, insbesondere amperometrischer elektrochemischer messfuehler |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS54139893U (enExample) |
| DE (1) | DE2911316A1 (enExample) |
| FR (1) | FR2422950A1 (enExample) |
| GB (1) | GB2017930A (enExample) |
| IT (1) | IT1111282B (enExample) |
| SE (1) | SE7902527L (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111190C2 (de) * | 1981-03-21 | 1983-04-07 | Drägerwerk AG, 2400 Lübeck | Elektrochemischer Meßaufnehmer mit auswechselbarer Membranhalterung |
| JPH0441328Y2 (enExample) * | 1984-09-21 | 1992-09-29 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445369A (en) * | 1966-10-31 | 1969-05-20 | Beckman Instruments Inc | Electrolytic sensor with improved membrane support |
| US3509034A (en) * | 1968-05-29 | 1970-04-28 | T O Paine | Pulse-activated polarographic hydrogen detector |
| US3832299A (en) * | 1968-07-18 | 1974-08-27 | Nat Res Dev | Gas detecting electrode assembly |
| US3718568A (en) * | 1971-05-21 | 1973-02-27 | Instrumentation Labor Inc | Electrochemical sensor instrumentation |
| US3758398A (en) * | 1971-06-30 | 1973-09-11 | Imi Division Of Becton Dickins | Fluid sensor |
| US3847777A (en) * | 1972-05-08 | 1974-11-12 | Instrumentation Labor Inc | Electrochemical analyzer |
| US4077861A (en) * | 1976-01-28 | 1978-03-07 | Teledyne Industries, Inc. | Polarographic sensor |
-
1979
- 1979-03-20 GB GB7909821A patent/GB2017930A/en not_active Withdrawn
- 1979-03-20 SE SE7902527A patent/SE7902527L/xx unknown
- 1979-03-21 FR FR7907151A patent/FR2422950A1/fr active Pending
- 1979-03-22 JP JP1979035753U patent/JPS54139893U/ja active Pending
- 1979-03-22 DE DE2911316A patent/DE2911316A1/de active Pending
- 1979-03-22 IT IT7921206A patent/IT1111282B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2017930A (en) | 1979-10-10 |
| SE7902527L (sv) | 1979-09-23 |
| IT7921206A0 (it) | 1979-03-22 |
| JPS54139893U (enExample) | 1979-09-28 |
| FR2422950A1 (fr) | 1979-11-09 |
| IT1111282B (it) | 1986-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHN | Withdrawal |